Hi David,

SORRY - I am trying to be more clearer this time.

Let's say the dataframe has some rows and columns, with unique rownames and
column names. The rest of the data in the dataframe are just numbers.

I wish to concatenate those rows. That means : I wish to concatenate first
10 rows' values in one row, then next 20 rows's values in the next row ....
and so on.

Similarly, for columns : The first 10 column's values will be one below the
other ... and so on.

Cheers,


= = = = = = = = =  = =


On Fri, May 21, 2010 at 3:53 PM, David Winsemius <dwinsemius@comcast.net>wrote:

>
> On May 20, 2010, at 11:05 PM, santana sarma wrote:
>
>  Hi,
>>
>> I have a dataframe with some 800 rows and 14 columns.
>>
>> Could you please advise how I can concatenate the rows - one after
>> another.
>> Similarly for columns, one below the other.
>>
>
> Not sure exactly what you are after:
>
> unlist might accomplish the second task.
>
> Whether c(apply(df, 1, I)) would be satisfactory for the first task might
> depend on whether the columns in the dataframe were all of the same type.
> Now that I think of it, both soolutions would force the types to be that
> same.
>
> ?"c"
> ?I
> ?apply
>
> df[1:nrow(df), ]   ...  would essentially give you the first request, but
> it would not be any different than just typing df. So .... what do intend
> this process to accomplish?
>
> --
>
> David Winsemius, MD
> West Hartford, CT
>
>

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